Home / 709,150.78-1,063,718.01-203,724.22

Finding the Fourth Proportional to 709,150.78, 1,063,718.01 and 203,724.22

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Solution

The fourth proportional to 709,150.78, 1,063,718.01 and 203,724.22 is: 305,583.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,150.78 : 1,063,718.01 = 203,724.22 : x
  2. Step 2: Convert to fraction form
    709,150.78/1,063,718.01 = 203,724.22/x
  3. Step 3: Cross multiply
    709,150.78x = 1,063,718.01 × 203,724.22
  4. Step 4: Simplify right side
    709,150.78x = 216,705,121,887.20
  5. Step 5: Solve for x
    x = 216,705,121,887.20/709,150.78
  6. Step 6: Final answer
    x = 305,583.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.